Mine was the same it started Thursday evening and I was told to update
it to fix it on Friday by o2 it’s now a week later and nothing has been
resolved, i got a new SIM sent out and have now been offered a new SIM
again. Hoping this gets sorted soon.
I am having the exact same issue and no one seems to know the solution.
Apple told me it’s my network and o2 have said there’s no issue on their
end, I have had a replacement SIM which hasn’t fixed the issue and it’s
quite frustrating when I never kn...